
body,html{
    margin: 0;
    padding: 0;
}
.flex{
    display: flex;
}
.flex-between{
    justify-content: space-between;
}
.flex-center{
    align-items: center;
}
.flex-wrap{
    flex-wrap: wrap;
}
.flex-column{
    flex-direction: column;
}

.pointer{
    cursor: pointer;
}

// 声明变量
@active-color: #09f;
